Home / 638,046.15-880,496.63-362,402.13

Finding the Fourth Proportional to 638,046.15, 880,496.63 and 362,402.13

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Solution

The fourth proportional to 638,046.15, 880,496.63 and 362,402.13 is: 500,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,046.15 : 880,496.63 = 362,402.13 : x
  2. Step 2: Convert to fraction form
    638,046.15/880,496.63 = 362,402.13/x
  3. Step 3: Cross multiply
    638,046.15x = 880,496.63 × 362,402.13
  4. Step 4: Simplify right side
    638,046.15x = 319,093,857,018.68
  5. Step 5: Solve for x
    x = 319,093,857,018.68/638,046.15
  6. Step 6: Final answer
    x = 500,110.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.